diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ba9de31..4d976f6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Import assets
         uses: ./.github/actions/import-assets
         with:
-          godot-version: v4.0-beta14
+          godot-version: v4.2.1-stable
       - name: Upload imports
         uses: actions/upload-artifact@v3
         with:
@@ -237,7 +237,7 @@ jobs:
       matrix:
         os: [ ubuntu-22.04 ] #, macos-12, windows-2022 ] Temporarily disabled.
         bits: [ 64, 32 ]
-        godot_version: [ 'v4.0-beta14' ]
+        godot_version: [ 'v4.2.1-stable' ]
         exclude:
           - os: macos-12
             bits: 32
diff --git a/addons/godot_xterm/godot_xterm.gdextension b/addons/godot_xterm/godot_xterm.gdextension
index 8fe6956..fd19c36 100644
--- a/addons/godot_xterm/godot_xterm.gdextension
+++ b/addons/godot_xterm/godot_xterm.gdextension
@@ -1,8 +1,10 @@
 [configuration]
 
 entry_symbol = "godot_xterm_library_init"
+compatibility_minimum = "4.2.1"
 
 [libraries]
+
 linux.debug.x86_64 = "res://addons/godot_xterm/native/bin/libgodot-xterm.linux.template_debug.x86_64.so"
 linux.release.x86_64 = "res://addons/godot_xterm/native/bin/libgodot-xterm.linux.template_release.x86_64.so"
 linux.debug.x86_32 = "res://addons/godot_xterm/native/bin/libgodot-xterm.linux.template_debug.x86_32.so"
diff --git a/addons/godot_xterm/native/src/node_pty/unix/pty.cc b/addons/godot_xterm/native/src/node_pty/unix/pty.cc
index a51a458..d5e2fa5 100644
--- a/addons/godot_xterm/native/src/node_pty/unix/pty.cc
+++ b/addons/godot_xterm/native/src/node_pty/unix/pty.cc
@@ -120,8 +120,9 @@ static void pty_after_waitpid(uv_async_t *);
 static void pty_after_close(uv_handle_t *);
 
 Array PTYUnix::fork(String p_file, int _ignored, PackedStringArray p_args,
-                    PackedStringArray p_env, String p_cwd, int p_cols, int p_rows,
-                    int p_uid, int p_gid, bool p_utf8, Callable p_on_exit) {
+                    PackedStringArray p_env, String p_cwd, int p_cols,
+                    int p_rows, int p_uid, int p_gid, bool p_utf8,
+                    Callable p_on_exit) {
   // file
   char *file = strdup(p_file.utf8().get_data());
 
@@ -445,9 +446,9 @@ static void pty_after_waitpid(uv_async_t *async) {
 
   Array argv = Array::make(baton->exit_code, baton->signal_code);
 
-  if (baton->cb != nullptr && baton->cb.is_valid()) {
+  if (baton->cb.is_valid()) {
     baton->cb.callv(argv);
-    baton->cb = (Variant)nullptr;
+    baton->cb = (Variant) nullptr;
   }
 
   uv_close((uv_handle_t *)async, pty_after_close);
diff --git a/addons/godot_xterm/native/src/register_types.cpp b/addons/godot_xterm/native/src/register_types.cpp
index 0a45eef..b2de5af 100644
--- a/addons/godot_xterm/native/src/register_types.cpp
+++ b/addons/godot_xterm/native/src/register_types.cpp
@@ -1,11 +1,5 @@
 #include "register_types.h"
 
-#include <gdextension_interface.h>
-
-#include <godot_cpp/core/class_db.hpp>
-#include <godot_cpp/core/defs.hpp>
-#include <godot_cpp/godot.hpp>
-
 #include "terminal.h"
 
 #if !defined(_PTY_DISABLED)
@@ -15,10 +9,14 @@
 #include "node_pty/unix/pty.h"
 #endif
 #if defined(__WIN32)
-//#include "node_pty/win/conpty.h"
+// #include "node_pty/win/conpty.h"
 #endif
 #endif
 
+#include <gdextension_interface.h>
+#include <godot_cpp/core/defs.hpp>
+#include <godot_cpp/godot.hpp>
+
 using namespace godot;
 
 void initialize_godot_xterm_module(ModuleInitializationLevel p_level) {
@@ -45,13 +43,13 @@ void uninitialize_godot_xterm_module(ModuleInitializationLevel p_level) {
   }
 }
 
-extern "C"
-    // Initialization
-    GDExtensionBool GDE_EXPORT
-    godot_xterm_library_init(const GDExtensionInterface *p_interface,
-                             GDExtensionClassLibraryPtr p_library,
-                             GDExtensionInitialization *r_initialization) {
-  godot::GDExtensionBinding::InitObject init_obj(p_interface, p_library,
+extern "C" {
+// Initialization
+GDExtensionBool GDE_EXPORT
+godot_xterm_library_init(GDExtensionInterfaceGetProcAddress p_get_proc_address,
+                         const GDExtensionClassLibraryPtr p_library,
+                         GDExtensionInitialization *r_initialization) {
+  godot::GDExtensionBinding::InitObject init_obj(p_get_proc_address, p_library,
                                                  r_initialization);
 
   init_obj.register_initializer(initialize_godot_xterm_module);
@@ -61,3 +59,4 @@ extern "C"
 
   return init_obj.init();
 }
+}
diff --git a/addons/godot_xterm/native/thirdparty/godot-cpp b/addons/godot_xterm/native/thirdparty/godot-cpp
index 516fad1..78ffea5 160000
--- a/addons/godot_xterm/native/thirdparty/godot-cpp
+++ b/addons/godot_xterm/native/thirdparty/godot-cpp
@@ -1 +1 @@
-Subproject commit 516fad14e45d341211121832bb3daa172aebd6e1
+Subproject commit 78ffea5b136f3178c31cddb28f6b963ceaa89420
diff --git a/addons/godot_xterm/native/thirdparty/libtsm b/addons/godot_xterm/native/thirdparty/libtsm
index 0102bc2..d7b39db 160000
--- a/addons/godot_xterm/native/thirdparty/libtsm
+++ b/addons/godot_xterm/native/thirdparty/libtsm
@@ -1 +1 @@
-Subproject commit 0102bc2c5480773bf64c1edbdfb5d1ddb3b63954
+Subproject commit d7b39db8180c6df4b0c9f59a0ce7fbcdb11de60e
diff --git a/addons/godot_xterm/nodes/pty/pty_icon.svg.import b/addons/godot_xterm/nodes/pty/pty_icon.svg.import
index 7043478..8cbb823 100644
--- a/addons/godot_xterm/nodes/pty/pty_icon.svg.import
+++ b/addons/godot_xterm/nodes/pty/pty_icon.svg.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/pty_icon.svg-e9e42570b4744b3370a02d174395c793
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/addons/godot_xterm/nodes/terminal/terminal_icon.svg.import b/addons/godot_xterm/nodes/terminal/terminal_icon.svg.import
index 2e18494..0a2346c 100644
--- a/addons/godot_xterm/nodes/terminal/terminal_icon.svg.import
+++ b/addons/godot_xterm/nodes/terminal/terminal_icon.svg.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/terminal_icon.svg-a0706fd47bb880823b1242c2241
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/addons/gut/gui/arrow.png.import b/addons/gut/gui/arrow.png.import
index e06bc42..6eb8d61 100644
--- a/addons/gut/gui/arrow.png.import
+++ b/addons/gut/gui/arrow.png.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/arrow.png-2b5b2d838b5b3467cf300ac2da1630d9.ct
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/addons/gut/gui/play.png.import b/addons/gut/gui/play.png.import
index 3abeac1..836b080 100644
--- a/addons/gut/gui/play.png.import
+++ b/addons/gut/gui/play.png.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/play.png-5c90e88e8136487a183a099d67a7de24.cte
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/addons/gut/icon.png.import b/addons/gut/icon.png.import
index 1a2f9c7..ea477b5 100644
--- a/addons/gut/icon.png.import
+++ b/addons/gut/icon.png.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/icon.png-91b084043b8aaf2f1c906e7b9fa92969.cte
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/addons/gut/images/green.png.import b/addons/gut/images/green.png.import
index 55b3b00..433f7e1 100644
--- a/addons/gut/images/green.png.import
+++ b/addons/gut/images/green.png.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/green.png-e3a17091688e10a7013279b38edc7f8a.ct
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/addons/gut/images/red.png.import b/addons/gut/images/red.png.import
index 0a7e645..e0a03fb 100644
--- a/addons/gut/images/red.png.import
+++ b/addons/gut/images/red.png.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/red.png-47a557c3922e800f76686bc1a4ad0c3c.ctex
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/addons/gut/images/yellow.png.import b/addons/gut/images/yellow.png.import
index c2941cb..58e0272 100644
--- a/addons/gut/images/yellow.png.import
+++ b/addons/gut/images/yellow.png.import
@@ -16,9 +16,9 @@ dest_files=["res://.godot/imported/yellow.png-b3cf3d463958a169d909273d3d742052.c
 [params]
 
 compress/mode=0
+compress/high_quality=false
 compress/lossy_quality=0.7
 compress/hdr_compression=1
-compress/bptc_ldr=0
 compress/normal_map=0
 compress/channel_pack=0
 mipmaps/generate=false
diff --git a/misc/vscode/launch.json b/misc/vscode/launch.json
index afdeabb..e177a29 100644
--- a/misc/vscode/launch.json
+++ b/misc/vscode/launch.json
@@ -8,7 +8,7 @@
             "name": "Main (gdb) Launch",
             "type": "cppdbg",
             "request": "launch",
-            "program": "/run/current-system/sw/bin/godot",
+            "program": "/run/current-system/sw/bin/godot4",
             "args": [
                 "${workspaceFolder}/examples/menu/menu.tscn",
             ],
@@ -24,18 +24,17 @@
                     "ignoreFailures": true,
                 },
                 {
-                    "description":  "Set Disassembly Flavor to Intel",
+                    "description": "Set Disassembly Flavor to Intel",
                     "text": "-gdb-set disassembly-flavor intel",
                     "ignoreFailures": true,
                 },
             ],
         },
-
         {
             "name": "Editor (gdb) Launch",
             "type": "cppdbg",
             "request": "launch",
-            "program": "/run/current-system/sw/bin/godot",
+            "program": "/run/current-system/sw/bin/godot4",
             "args": [
                 "--editor",
             ],
@@ -51,7 +50,7 @@
                     "ignoreFailures": true,
                 },
                 {
-                    "description":  "Set Disassembly Flavor to Intel",
+                    "description": "Set Disassembly Flavor to Intel",
                     "text": "-gdb-set disassembly-flavor intel",
                     "ignoreFailures": true,
                 },
@@ -65,7 +64,7 @@
             "name": "Test (gdb) Launch",
             "type": "cppdbg",
             "request": "launch",
-            "program": "/run/current-system/sw/bin/godot",
+            "program": "/run/current-system/sw/bin/godot4",
             "args": [
                 "--no-window",
                 "-s",
@@ -85,4 +84,4 @@
             ],
         },
     ],
-}
+}
\ No newline at end of file
diff --git a/project.godot b/project.godot
index 6fce8ab..914844c 100644
--- a/project.godot
+++ b/project.godot
@@ -12,17 +12,13 @@ config_version=5
 
 config/name="GodotXterm"
 run/main_scene="res://examples/menu/menu.tscn"
-config/features=PackedStringArray("4.0")
+config/features=PackedStringArray("4.2")
 config/icon="res://docs/media/icon.png"
 
 [display]
 
 window/vsync/use_vsync=false
 
-[editor]
-
-export/convert_text_resources_to_binary=true
-
 [editor_plugins]
 
 enabled=PackedStringArray("res://addons/godot_xterm/plugin.cfg")